/*
 *    Copyright (C) 2016-2021 Grok Image Compression Inc.
 *
 *    This source code is free software: you can redistribute it and/or  modify
 *    it under the terms of the GNU Affero General Public License, version 3,
 *    as published by the Free Software Foundation.
 *
 *    This source code is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU Affero General Public License for more details.
 *
 *    You should have received a copy of the GNU Affero General Public License
 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
#pragma once
#include "grk_includes.h"

namespace grk
{
struct BlockExec
{
	BlockExec()
		: tilec(nullptr), bandIndex(0), bandNumbps(0),
		  bandOrientation(BAND_ORIENT_LL), stepsize(0), cblk_sty(0),
		  qmfbid(0), x(0), y(0), k_msbs(0)
	{}
	virtual bool open(T1Interface* t1) = 0;
	virtual ~BlockExec() = default;
	TileComponent* tilec;
	uint8_t bandIndex;
	uint8_t bandNumbps;
	eBandOrientation bandOrientation;
	float stepsize;
	uint8_t cblk_sty;
	uint8_t qmfbid;
	/* code block offset in buffer coordinates*/
	uint32_t x;
	uint32_t y;
	// missing bit planes for all blocks in band
	uint8_t k_msbs;
};
struct DecompressBlockExec : public BlockExec
{
	DecompressBlockExec() : cblk(nullptr), resno(0), roishift(0) {}
	bool open(T1Interface* t1)
	{
		return t1->decompress(this);
	}
	void close(void) {}
	DecompressCodeblock* cblk;
	uint8_t resno;
	uint8_t roishift;
};
struct CompressBlockExec : public BlockExec
{
	CompressBlockExec()
		: cblk(nullptr), tile(nullptr), doRateControl(false), distortion(0), tiledp(nullptr),
		  compno(0), resno(0), precinctIndex(0), cblkno(0), inv_step_ht(0), mct_norms(nullptr),
#ifdef DEBUG_LOSSLESS_T1
		  unencodedData(nullptr),
#endif
		  mct_numcomps(0)
	{}
	bool open(T1Interface* t1)
	{
		return t1->compress(this);
	}
	void close(void) {}
	CompressCodeblock* cblk;
	Tile* tile;
	bool doRateControl;
	double distortion;
	int32_t* tiledp;
	uint16_t compno;
	uint8_t resno;
	uint64_t precinctIndex;
	uint64_t cblkno;
	float inv_step_ht;
	const double* mct_norms;
#ifdef DEBUG_LOSSLESS_T1
	int32_t* unencodedData;
#endif
	uint16_t mct_numcomps;
};

} // namespace grk
